Medical malpractice occurs when a hospital, doctor or other health care professional, through a negligent act or omission, causes an injury to a patient. The negligence might be the result of errors in diagnosis, treatment, after care or health management. If a competent doctor would have discovered the patient's illness or made a different diagnosis, which in turn would have led to a better outcome than the one actually achieved, then the patient may have a viable medical malpractice claim. According to the Medical Malpractice Center, in the United States, there are between 15,000 and 19,000 medical malpractice suits against doctors every year.